whats you're setup like? dual CPU's?
we typically run 1000-800-800, if that is stasble for you, then run it like that.
also, what video card, and RAM, and CPU's do you have?
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SYSTEM-1: 2x Viewsonic VX900-2 19"|
Tyan S2885ANRF (Rev.A, bios v2.07) | 1x ATI Radeon X800 Pro 256MB | 2x AMD Opteron 248-HE Single-Core CPU | 8x 512mb PC3200 Corsair XMS Series ECC Reg. (CMX512RE-3200LL) | 2x Seagate LVD 36.7Gb U320 SCSI 10,000rpm RAID0 (ST336607LW) | 1x Seagate LVD 36.7Gb U320 SCSI 1